Github user marsishandsome commented on a diff in the pull request:
https://github.com/apache/spark/pull/9168#discussion_r42450902
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/AMDelegationTokenRenewer.scala
---
@@ -177,6 +177,7 @@ private[yarn] class AMDelegationTokenRenewer(
})
// Add the temp credentials back to the original ones.
UserGroupInformation.getCurrentUser.addCredentials(tempCreds)
+ SparkHadoopUtil.get.updateCurrentUserHDFSDelegationToken()
--- End diff --
In HA mode, there are three tokens:
1. ha token
2. namenode1 token
3. namenode2 token
Spark only update ha token.
HAUtil.cloneDelegationTokenForLogicalUri will copy ha token to namenode
token.
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